feat(config): add manualChunks for vendor and markdown

vite.config.ts

@@ -1,25 +1,31 @@
 import { defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
-import { fileURLToPath, URL } from 'node:url'
+import { resolve } from 'path'
 
 export default defineConfig({
   plugins: [vue()],
   resolve: {
     alias: {
-      '@': fileURLToPath(new URL('./src', import.meta.url))
+      '@': resolve(__dirname, 'src')
+    }
+  },
+  build: {
+    outDir: 'dist',
+    sourcemap: false,
+    rollupOptions: {
+      output: {
+        manualChunks: {
+          vendor: ['vue', 'vue-router', 'pinia', 'axios'],
+          markdown: ['marked', 'dompurify', 'highlight.js']
+        }
+      }
     }
   },
   server: {
     port: 5173,
     proxy: {
-      '/api': {
-        target: 'http://localhost:8080',
-        changeOrigin: true
-      },
-      '/uploads': {
-        target: 'http://localhost:8080',
-        changeOrigin: true
-      }
+      '/api': { target: 'http://localhost:8080', changeOrigin: true },
+      '/uploads': { target: 'http://localhost:8080', changeOrigin: true }
     }
   }
 })